Container base



FIG. 1 is a front isometric view of a container base, of embodiment one,showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-sectional view thereof, taken along section line 4-4in FIG. 3;

FIG. 5 is a cross-sectional view thereof, taken along section line 5-5in FIG. 4;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational thereof, the rear elevational view being amirror image thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a front isometric view of a Container Base, of embodiment two,showing our new design;

FIG. 10 is a right side elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a cross-sectional view thereof, taken along section line12-12 in FIG. 11;

FIG. 13 is a cross-sectional view thereof, taken along section line13-13 in FIG. 12;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front elevational thereof, the rear elevational view beinga mirror image thereof; and,

FIG. 16 is a left side elevational view thereof.

The broken lines in the figures depict portions of the container baseand additional environmental structure, including lids, tabs, and bottomstructure, that form no part of the claimed design.

CLAIM The ornamental design for a container base, as shown anddescribed.